1. Abala, K. (Ed.)
(2011), Food Cultures of the World: An Encyclopedia, 4 vols., ABC-Clio, Santa Barbara, CA.
2. Brickell, C.H. (Ed.)
(2010), RHS Encyclopedia of Plants and Flowers, 5th ed., Dorling Kindersley, London.
3. Hanelt, P. (Ed.)
(2001), Mansfield's Encyclopedia of Agricultural and Horticultural Crops, Springer, Berlin.
4. Smith, A.F.
(2013), Food and Drink in American History: A Full Course Encyclopedia, 3 vols, ABC-Clio, Santa Barbara, CA.